(a) IQ scores above 130 are often called very superior. What percent of children had very superior...

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(a) IQ scores above 130 are often called "very superior." What percent of children had very superior scores in 1932?
(b) If present-day children took the 1932 test, what percent would have very superior scores? (Assume that the standard deviation σ = 15 does not change.)
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Understanding Business Statistics

ISBN: 978-1118145258

1st edition

Authors: Stacey Jones, Tim Bergquist, Ned Freed

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